The goal of this clinical trial is to assess the effect of using baclofen along with conventional treatment in improving GERD symptoms. It will also assess the safety of drug baclofen by recording the patient reported adverse events. The main questions it aims to answer are : Does drug baclofen along with conventional treatment has any effect on patients with GERD symptoms? What medical problems do participants have when taking drug baclofen? Researcher will compare drug baclofen along with conventional treatment to a control group taking placebo along with conventional treatment. Participants will: Take drug baclofen 10 milligrams or placebo three times daily along with conventional treatment for 4 weeks. They will visit the hospital after 4 weeks. Their symptoms will be assessed via validated GERD Q questionnaire at baseline and after 4 weeks. Additionally, patient reported adverse events will be documented.